1173061481 has 2 divisors, whose sum is σ = 1173061482. Its totient is φ = 1173061480.

The previous prime is 1173061459. The next prime is 1173061499. The reversal of 1173061481 is 1841603711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1168545856 + 4515625 = 34184^2 + 2125^2 .

It is an emirp because it is prime and its reverse (1841603711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1173061481 - 2¹⁸ = 1172799337 is a prime.

It is a super-2 number, since 2×1173061481² = 2752146476411826722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1173060481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586530740 + 586530741.

It is an arithmetic number, because the mean of its divisors is an integer number (586530741).

Almost surely, 2^1173061481 is an apocalyptic number.

It is an amenable number.

1173061481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173061481 is an equidigital number, since it uses as much as digits as its factorization.

1173061481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1173061481 is about 34249.9851240844. The cubic root of 1173061481 is about 1054.6465220422.

The spelling of 1173061481 in words is "one billion, one hundred seventy-three million, sixty-one thousand, four hundred eighty-one".